From 1b57dc93a5da8111041ae47840ea43986fdd9334 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <mathstuf@gmail.com>
Date: Thu, 1 Feb 2018 14:46:16 -0500
Subject: [PATCH] tests: add tests for Angle::normalize

---
 tests/angle.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/angle.rs b/tests/angle.rs
index ddaeb52..9f2a47e 100644
--- a/tests/angle.rs
+++ b/tests/angle.rs
@@ -19,6 +19,18 @@ extern crate cgmath;
 
 use cgmath::{Angle, Deg, Rad};
 
+#[test]
+fn test_normalize() {
+    let angle: Rad<f64> = Rad::full_turn().normalize();
+    assert_ulps_eq!(&angle, &Rad(0f64));
+
+    let angle: Rad<f64> = (Rad::full_turn() + Rad::turn_div_4()).normalize();
+    assert_ulps_eq!(&angle, &Rad::turn_div_4());
+
+    let angle: Rad<f64> = (-Rad::turn_div_4()).normalize();
+    assert_ulps_eq!(&angle, &(Rad::full_turn() - Rad::turn_div_4()));
+}
+
 #[test]
 fn test_normalize_signed() {
     let angle: Rad<f64> = Rad::full_turn().normalize_signed();